1678950532 has 48 divisors (see below), whose sum is σ = 3576883968. Its totient is φ = 673136640.

The previous prime is 1678950529. The next prime is 1678950569. The reversal of 1678950532 is 2350598761.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68932 + ... + 90052.

It is an arithmetic number, because the mean of its divisors is an integer number (74518416).

Almost surely, 2^1678950532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1678950532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1788441984).

1678950532 is an abundant number, since it is smaller than the sum of its proper divisors (1897933436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1678950532 is a wasteful number, since it uses less digits than its factorization.

1678950532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21316 (or 21314 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 1678950532 is about 40974.9988651617. The cubic root of 1678950532 is about 1188.5368010586.

The spelling of 1678950532 in words is "one billion, six hundred seventy-eight million, nine hundred fifty thousand, five hundred thirty-two".